lec 11 OSPF introduction and basic configuration By Ahmed Abdallah
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lec 12 adjust metric and hello and dead interval and passive interface By Ahmed Abdallah
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18 | CCNA شرح| Routing | OSPF شرح | Helper For Taraining | Ahmed Hassan
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lec 4 ip address and classes By Ahmed Abdallah
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2 Hours of Valse by Evgeny Grinko
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How Routing Works: The Basics, Protocols, and Real-World Examples for Beginners
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